DE3512834C2 - - Google Patents

Info

Publication number
DE3512834C2
DE3512834C2 DE3512834A DE3512834A DE3512834C2 DE 3512834 C2 DE3512834 C2 DE 3512834C2 DE 3512834 A DE3512834 A DE 3512834A DE 3512834 A DE3512834 A DE 3512834A DE 3512834 C2 DE3512834 C2 DE 3512834C2
Authority
DE
Germany
Prior art keywords
welding
saturation
voltage
arrangement according
transformer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
DE3512834A
Other languages
German (de)
English (en)
Other versions
DE3512834A1 (de
Inventor
Hermann Buchs Ch Tengler
Paul Bremgarten Ch Mettler
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Elpatronic AG
Original Assignee
Elpatronic AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Elpatronic AG filed Critical Elpatronic AG
Publication of DE3512834A1 publication Critical patent/DE3512834A1/de
Application granted granted Critical
Publication of DE3512834C2 publication Critical patent/DE3512834C2/de
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/12—Measuring magnetic properties of articles or specimens of solids or fluids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K11/00—Resistance welding; Severing by resistance heating
    • B23K11/24—Electric supply or control circuits therefor
    • B23K11/25—Monitoring devices
    • B23K11/252—Monitoring devices using digital means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K11/00—Resistance welding; Severing by resistance heating
    • B23K11/24—Electric supply or control circuits therefor
    • B23K11/25—Monitoring devices
    • B23K11/252—Monitoring devices using digital means
    • B23K11/258—Monitoring devices using digital means the measured parameter being a voltage
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M5/00—Conversion of AC power input into AC power output, e.g. for change of voltage, for change of frequency, for change of number of phases
    • H02M5/02—Conversion of AC power input into AC power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into DC
    • H02M5/04—Conversion of AC power input into AC power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into DC by static converters
    • H02M5/22—Conversion of AC power input into AC power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into DC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M5/25—Conversion of AC power input into AC power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into DC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means
    • H02M5/27—Conversion of AC power input into AC power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into DC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means for conversion of frequency
    • H02M5/271—Conversion of AC power input into AC power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into DC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means for conversion of frequency from a three phase input voltage

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Generation Of Surge Voltage And Current (AREA)
  • Arc Welding Control (AREA)
  • Ac-Ac Conversion (AREA)
DE19853512834 1984-12-14 1985-04-10 Saettigungsueberwachungsanordnung und steuerungsverfahren fuer eine frequenzwandler-schweisseinrichtung Granted DE3512834A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH5945/84A CH676442A5 (enrdf_load_stackoverflow) 1984-12-14 1984-12-14

Publications (2)

Publication Number Publication Date
DE3512834A1 DE3512834A1 (de) 1986-06-26
DE3512834C2 true DE3512834C2 (enrdf_load_stackoverflow) 1987-10-22

Family

ID=4301930

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19853512834 Granted DE3512834A1 (de) 1984-12-14 1985-04-10 Saettigungsueberwachungsanordnung und steuerungsverfahren fuer eine frequenzwandler-schweisseinrichtung
DE8585115729T Expired DE3561695D1 (en) 1984-12-14 1985-12-10 Saturation-monitoring arrangement for a welding device containing a frequency converter

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE8585115729T Expired DE3561695D1 (en) 1984-12-14 1985-12-10 Saturation-monitoring arrangement for a welding device containing a frequency converter

Country Status (13)

Country Link
US (1) US4709132A (enrdf_load_stackoverflow)
EP (1) EP0191178B1 (enrdf_load_stackoverflow)
JP (1) JPS61144279A (enrdf_load_stackoverflow)
AU (1) AU579056B2 (enrdf_load_stackoverflow)
BR (1) BR8506274A (enrdf_load_stackoverflow)
CA (1) CA1244095A (enrdf_load_stackoverflow)
CH (1) CH676442A5 (enrdf_load_stackoverflow)
DE (2) DE3512834A1 (enrdf_load_stackoverflow)
ES (1) ES8705275A1 (enrdf_load_stackoverflow)
FI (1) FI854938L (enrdf_load_stackoverflow)
GB (1) GB2168496B (enrdf_load_stackoverflow)
GR (1) GR852977B (enrdf_load_stackoverflow)
SU (1) SU1530086A3 (enrdf_load_stackoverflow)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5636113A (en) * 1995-03-31 1997-06-03 Allen-Bradley Company, Inc. Saturable reactor
DE19621526C1 (de) * 1996-05-29 1997-08-28 Bosch Gmbh Robert Umrichterschweißanordnung
AT405624B (de) * 1996-09-25 1999-10-25 Stempfer Ferdinand Ing Schweissgerät und schweissverfahren, insbesondere widerstandsschweissverfahren
CN103731041B (zh) * 2013-09-11 2016-08-17 上海交通大学 交交变频装置电流断续非线性补偿方法
WO2020217109A1 (en) * 2019-04-22 2020-10-29 Abb Power Grids Switzerland Ag Traction tranformer with a four-limb core
EP3800794A1 (en) 2019-09-30 2021-04-07 Solaredge Technologies Ltd. Magnetic flux cancellation for power line communications

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2473576A (en) * 1945-06-02 1949-06-21 Raytheon Mfg Co Welding system
BE677549A (enrdf_load_stackoverflow) * 1966-03-10
US3697855A (en) * 1970-10-26 1972-10-10 Westinghouse Electric Corp Hysteresis-loop control for a power transformer
US4042872A (en) * 1975-12-29 1977-08-16 Mcleod James A Static converter having partially gapped transformer
US4127894A (en) * 1977-11-14 1978-11-28 Bell Telephone Laboratories, Incorporated Converter protection circuit operative to limit and counteract transformer saturation
US4282417A (en) * 1978-10-30 1981-08-04 Square D Company Method for controlling magnetizing current in multipulse resistant welding
JPS55158884A (en) * 1979-05-29 1980-12-10 Toshiba Corp Resistance welding control device
JPS5868486A (ja) * 1981-10-16 1983-04-23 Dengen Kk スポツト溶接機
US4439822A (en) * 1982-03-26 1984-03-27 California Institute Of Technology Method and apparatus for detecting and preventing impending magnetic saturation in magnetic materials

Also Published As

Publication number Publication date
EP0191178A1 (de) 1986-08-20
CH676442A5 (enrdf_load_stackoverflow) 1991-01-31
FI854938A0 (fi) 1985-12-13
ES549923A0 (es) 1987-05-16
DE3561695D1 (en) 1988-04-07
BR8506274A (pt) 1986-08-26
GR852977B (enrdf_load_stackoverflow) 1986-04-08
GB8530657D0 (en) 1986-01-22
AU579056B2 (en) 1988-11-10
CA1244095A (en) 1988-11-01
AU5115385A (en) 1986-06-19
GB2168496A (en) 1986-06-18
GB2168496B (en) 1988-09-01
FI854938A7 (fi) 1986-06-15
DE3512834A1 (de) 1986-06-26
JPH036870B2 (enrdf_load_stackoverflow) 1991-01-31
SU1530086A3 (ru) 1989-12-15
FI854938L (fi) 1986-06-15
JPS61144279A (ja) 1986-07-01
US4709132A (en) 1987-11-24
EP0191178B1 (de) 1988-03-02
ES8705275A1 (es) 1987-05-16

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
8128 New person/name/address of the agent

Representative=s name: MENGES, R., DIPL.-ING., PAT.-ANW., 8000 MUENCHEN

D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee